13275425 has 6 divisors (see below), whose sum is σ = 16461558. Its totient is φ = 10620320.

The previous prime is 13275421. The next prime is 13275481. The reversal of 13275425 is 52457231.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 322624 + 12952801 = 568^2 + 3599^2 .

It is not a de Polignac number, because 13275425 - 2² = 13275421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13275421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265484 + ... + 265533.

It is an arithmetic number, because the mean of its divisors is an integer number (2743593).

Almost surely, 2^13275425 is an apocalyptic number.

It is an amenable number.

13275425 is a deficient number, since it is larger than the sum of its proper divisors (3186133).

13275425 is an equidigital number, since it uses as much as digits as its factorization.

13275425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531027 (or 531022 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 13275425 is about 3643.5456632242. The cubic root of 13275425 is about 236.7824325083.

It can be divided in two parts, 132 and 75425, that added together give a palindrome (75557).

The spelling of 13275425 in words is "thirteen million, two hundred seventy-five thousand, four hundred twenty-five".